45% 50% SDIC Sodium dichloroisocyanurate dihydrate is a highly effective disinfectant. It has high solubility in water, long-lasting and low toxicity, so it is widely used as drinking water disinfectant and household disinfectant. Sodium chloroisocyanurate dihydrate can hydrolyze hypochlorous acid in water. It can replace hypochlorous acid in some cases, so it can be used as bleaching agent.